@article{Arora:2014:FLR:2723902.2724054,
 author = {Arora, Sonika and Gupta, Neelima and Khuller, Samir and Sabharwal, Yogish and Singhal, Swati},
 title = {Facility Location with Red-blue Demands},
 journal = {Oper. Res. Lett.},
 issue_date = {September, 2014},
 volume = {42},
 number = {6},
 month = sep,
 year = {2014},
 issn = {0167-6377},
 pages = {462--465},
 numpages = {4},
 url = {http://dx.doi.org/10.1016/j.orl.2014.08.002},
 doi = {10.1016/j.orl.2014.08.002},
 acmid = {2724054},
 publisher = {Elsevier Science Publishers B. V.},
 address = {Amsterdam, The Netherlands, The Netherlands},
 keywords = {Approximation algorithms, Facility location, LP-rounding},
}